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斜生栅藻与氰化钾的相互作用

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刘青青, 张闪闪, 邹华, 史红星, 黄超群. 斜生栅藻与氰化钾的相互作用[J]. 环境化学, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
引用本文: 刘青青, 张闪闪, 邹华, 史红星, 黄超群. 斜生栅藻与氰化钾的相互作用[J]. 环境化学, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
shu
LIU Qingqing, ZHANG Shanshan, ZOU Hua, SHI Hongxing, HUANG Chaoqun. Interactions between Scenedesmus obliquus and potassium cyanide[J]. Environmental Chemistry, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
Citation: LIU Qingqing, ZHANG Shanshan, ZOU Hua, SHI Hongxing, HUANG Chaoqun. Interactions between Scenedesmus obliquus and potassium cyanide[J]. Environmental Chemistry, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
shu

斜生栅藻与氰化钾的相互作用

  • 1.

    江南大学环境与土木工程学院, 无锡, 214122;

  • 2.

    防化研究院国民核生化灾害防护国家重点实验室, 北京, 102205

  • 基金项目:

    普通高校学术学位研究生科研创新计划项目（KYLX16_0810）和国民核生化灾害防护国家重点实验室资助.

Interactions between Scenedesmus obliquus and potassium cyanide

  • 1.

    School of Environmental and Civil Engineering, Jiangnan University, Wuxi, 214122, China;

  • 2.

    State Key Laboratory of NBC Protection for Civilian, Institute of Chemical Defence, Beijing, 102205, China

  • Fund Project: Supported by the Fundamental Research Funds for the Central Universities (KYLX16_0810) and the Basic Research Project of the State Key Laboratory of NBC Protection for Civilian of China.

  • 摘要: 以斜生栅藻（Scenedesmus obliquus）为实验对象，研究斜生栅藻对氰化钾（KCN）的去除效果及KCN胁迫对斜生栅藻生长和抗氧化系统的影响.结果表明，斜生栅藻对0.1—100 mg·L-1浓度范围内的KCN都有一定的去除能力，最大去除率达65.3%；在氰化钾胁迫下，栅藻生长速率降低，叶绿素a含量受到明显抑制且明显低于对照.KCN对斜生栅藻的96 h半数抑制浓度EC50值为0.84 mg·L-1.此外，超氧化物歧化酶（SOD）和过氧化氢酶（CAT）活性随KCN胁迫浓度的增大而升高；栅藻丙二醛（MDA）含量在KCN胁迫下变高.通过本研究发现，绿藻对氰化物有潜在的去除能力，为含氰废水的生物处理提供了理论基础.
    Abstract: Removal efficiency of potassium cyanide (KCN) and its effect on the growth and antioxidant activity of Scenedesmus obliquus were investigated. The results showed that S. obliquus had removal capacity for KCN in the range of 0.1 to 100 mg·L-1 concentration. Under the exposure of KCN, the growth rate of S. obliquus decreased, the content of chlorophyll a was significantly reduced and lower than the control. The 96 h-EC50 value for KCN was found to be 0.84 mg·L-1. Moreover, the activities of superoxide dismutase (SOD) and catalase (CAT) were enhanced with the increasing KCN concentrations. Malondialdehyde (MDA) content of S.obliquus increased significantly, especially under high KCN exposure. These results suggest that green algae has the potential to remove cyanide, which provides a theoretical basis for biological treatment of cyanide-contaminated wastewater.
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  • 收稿日期:  2017-07-30
  • 刊出日期:  2018-03-15
刘青青, 张闪闪, 邹华, 史红星, 黄超群. 斜生栅藻与氰化钾的相互作用[J]. 环境化学, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
引用本文: 刘青青, 张闪闪, 邹华, 史红星, 黄超群. 斜生栅藻与氰化钾的相互作用[J]. 环境化学, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
shu
LIU Qingqing, ZHANG Shanshan, ZOU Hua, SHI Hongxing, HUANG Chaoqun. Interactions between Scenedesmus obliquus and potassium cyanide[J]. Environmental Chemistry, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
Citation: LIU Qingqing, ZHANG Shanshan, ZOU Hua, SHI Hongxing, HUANG Chaoqun. Interactions between Scenedesmus obliquus and potassium cyanide[J]. Environmental Chemistry, 2018, 37(3): 552-558. doi: 10.7524/j.issn.0254-6108.2017073001
shu

斜生栅藻与氰化钾的相互作用

  • 1.  江南大学环境与土木工程学院, 无锡, 214122;
  • 2.  防化研究院国民核生化灾害防护国家重点实验室, 北京, 102205
  • 收稿日期:  2017-07-30
基金项目:

普通高校学术学位研究生科研创新计划项目（KYLX16_0810）和国民核生化灾害防护国家重点实验室资助.

摘要: 以斜生栅藻（Scenedesmus obliquus）为实验对象，研究斜生栅藻对氰化钾（KCN）的去除效果及KCN胁迫对斜生栅藻生长和抗氧化系统的影响.结果表明，斜生栅藻对0.1—100 mg·L-1浓度范围内的KCN都有一定的去除能力，最大去除率达65.3%；在氰化钾胁迫下，栅藻生长速率降低，叶绿素a含量受到明显抑制且明显低于对照.KCN对斜生栅藻的96 h半数抑制浓度EC50值为0.84 mg·L-1.此外，超氧化物歧化酶（SOD）和过氧化氢酶（CAT）活性随KCN胁迫浓度的增大而升高；栅藻丙二醛（MDA）含量在KCN胁迫下变高.通过本研究发现，绿藻对氰化物有潜在的去除能力，为含氰废水的生物处理提供了理论基础.

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